﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//Please add references
namespace AMV.DAL
{
	/// <summary>
	/// 数据访问类:Album
	/// </summary>
	public partial class Album
	{
		public Album()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("AlbumID", "Album"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int AlbumID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from Album");
			strSql.Append(" where AlbumID=@AlbumID");
			SqlParameter[] parameters = {
					new SqlParameter("@AlbumID", SqlDbType.Int,4)
			};
			parameters[0].Value = AlbumID;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(AMV.Model.Album model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into Album(");
			strSql.Append("AlbumName,Language,SingerName,NumberOfSongs,Description,PublishYear,Style)");
			strSql.Append(" values (");
			strSql.Append("@AlbumName,@Language,@SingerName,@NumberOfSongs,@Description,@PublishYear,@Style)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@AlbumName", SqlDbType.NVarChar,50),
					new SqlParameter("@Language", SqlDbType.NVarChar,50),
					new SqlParameter("@SingerName", SqlDbType.NVarChar,50),
					new SqlParameter("@NumberOfSongs", SqlDbType.Int,4),
					new SqlParameter("@Description", SqlDbType.Text),
					new SqlParameter("@PublishYear", SqlDbType.Int,4),
					new SqlParameter("@Style", SqlDbType.NVarChar,50)};
			parameters[0].Value = model.AlbumName;
			parameters[1].Value = model.Language;
			parameters[2].Value = model.SingerName;
			parameters[3].Value = model.NumberOfSongs;
			parameters[4].Value = model.Description;
			parameters[5].Value = model.PublishYear;
			parameters[6].Value = model.Style;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(AMV.Model.Album model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update Album set ");
			strSql.Append("AlbumName=@AlbumName,");
			strSql.Append("Language=@Language,");
			strSql.Append("SingerName=@SingerName,");
			strSql.Append("NumberOfSongs=@NumberOfSongs,");
			strSql.Append("Description=@Description,");
			strSql.Append("PublishYear=@PublishYear,");
			strSql.Append("Style=@Style");
			strSql.Append(" where AlbumID=@AlbumID");
			SqlParameter[] parameters = {
					new SqlParameter("@AlbumName", SqlDbType.NVarChar,50),
					new SqlParameter("@Language", SqlDbType.NVarChar,50),
					new SqlParameter("@SingerName", SqlDbType.NVarChar,50),
					new SqlParameter("@NumberOfSongs", SqlDbType.Int,4),
					new SqlParameter("@Description", SqlDbType.Text),
					new SqlParameter("@PublishYear", SqlDbType.Int,4),
					new SqlParameter("@Style", SqlDbType.NVarChar,50),
					new SqlParameter("@AlbumID", SqlDbType.Int,4)};
			parameters[0].Value = model.AlbumName;
			parameters[1].Value = model.Language;
			parameters[2].Value = model.SingerName;
			parameters[3].Value = model.NumberOfSongs;
			parameters[4].Value = model.Description;
			parameters[5].Value = model.PublishYear;
			parameters[6].Value = model.Style;
			parameters[7].Value = model.AlbumID;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int AlbumID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from Album ");
			strSql.Append(" where AlbumID=@AlbumID");
			SqlParameter[] parameters = {
					new SqlParameter("@AlbumID", SqlDbType.Int,4)
			};
			parameters[0].Value = AlbumID;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string AlbumIDlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from Album ");
			strSql.Append(" where AlbumID in ("+AlbumIDlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public AMV.Model.Album GetModel(int AlbumID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 AlbumID,AlbumName,Language,SingerName,NumberOfSongs,Description,PublishYear,Style from Album ");
			strSql.Append(" where AlbumID=@AlbumID");
			SqlParameter[] parameters = {
					new SqlParameter("@AlbumID", SqlDbType.Int,4)
			};
			parameters[0].Value = AlbumID;

			AMV.Model.Album model=new AMV.Model.Album();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				return DataRowToModel(ds.Tables[0].Rows[0]);
			}
			else
			{
				return null;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public AMV.Model.Album DataRowToModel(DataRow row)
		{
			AMV.Model.Album model=new AMV.Model.Album();
			if (row != null)
			{
				if(row["AlbumID"]!=null && row["AlbumID"].ToString()!="")
				{
					model.AlbumID=int.Parse(row["AlbumID"].ToString());
				}
				if(row["AlbumName"]!=null)
				{
					model.AlbumName=row["AlbumName"].ToString();
				}
				if(row["Language"]!=null)
				{
					model.Language=row["Language"].ToString();
				}
				if(row["SingerName"]!=null)
				{
					model.SingerName=row["SingerName"].ToString();
				}
				if(row["NumberOfSongs"]!=null && row["NumberOfSongs"].ToString()!="")
				{
					model.NumberOfSongs=int.Parse(row["NumberOfSongs"].ToString());
				}
				if(row["Description"]!=null)
				{
					model.Description=row["Description"].ToString();
				}
				if(row["PublishYear"]!=null && row["PublishYear"].ToString()!="")
				{
					model.PublishYear=int.Parse(row["PublishYear"].ToString());
				}
				if(row["Style"]!=null)
				{
					model.Style=row["Style"].ToString();
				}
			}
			return model;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select AlbumID,AlbumName,Language,SingerName,NumberOfSongs,Description,PublishYear,Style ");
			strSql.Append(" FROM Album ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" AlbumID,AlbumName,Language,SingerName,NumberOfSongs,Description,PublishYear,Style ");
			strSql.Append(" FROM Album ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM Album ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.AlbumID desc");
			}
			strSql.Append(")AS Row, T.*  from Album T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "Album";
			parameters[1].Value = "AlbumID";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  BasicMethod
		#region  ExtensionMethod

		#endregion  ExtensionMethod
	}
}

